dfhack/library/md5/md5.h

93 lines
2.4 KiB
C++

/*
* This is the C++ implementation of the MD5 Message-Digest
* Algorithm desrcipted in RFC 1321.
* I translated the C code from this RFC to C++.
* There is now warranty.
*
* Feb. 12. 2005
* Benjamin Grüdelbach
*/
/*
* Changed unsigned long int types into uint32_t to make this work on 64bit systems.
* Sep. 5. 2009
* Petr Mrázek
*/
/*
* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
* rights reserved.
*
* License to copy and use this software is granted provided that it
* is identified as the "RSA Data Security, Inc. MD5 Message-Digest
* Algorithm" in all material mentioning or referencing this software
* or this function.
*
* License is also granted to make and use derivative works provided
* that such works are identified as "derived from the RSA Data
* Security, Inc. MD5 Message-Digest Algorithm" in all material
* mentioning or referencing the derived work.
*
* RSA Data Security, Inc. makes no representations concerning either
* the merchantability of this software or the suitability of this
* software for any particular purpose. It is provided "as is"
* without express or implied warranty of any kind.
*
* These notices must be retained in any copies of any part of this
* documentation and/or software.
*/
//----------------------------------------------------------------------
//include protection
#ifndef MD5_H
#define MD5_H
//----------------------------------------------------------------------
//STL includes
#include <string>
#include <stdint.h>
//----------------------------------------------------------------------
//typedefs
typedef unsigned char *POINTER;
/*
* MD5 context.
*/
typedef struct
{
uint32_t state[4]; /* state (ABCD) */
uint32_t count[2]; /* number of bits, modulo 2^64 (lsb first) */
unsigned char buffer[64]; /* input buffer */
} MD5_CTX;
/*
* MD5 class
*/
class MD5
{
private:
void MD5Transform (uint32_t state[4], unsigned char block[64]);
void Encode (unsigned char*, uint32_t*, unsigned int);
void Decode (uint32_t*, unsigned char*, unsigned int);
void MD5_memcpy (POINTER, POINTER, unsigned int);
void MD5_memset (POINTER, int, unsigned int);
public:
void MD5Init (MD5_CTX*);
void MD5Update (MD5_CTX*, unsigned char*, unsigned int);
void MD5Final (unsigned char [16], MD5_CTX*);
MD5(){};
};
//----------------------------------------------------------------------
//End of include protection
#endif
/*
* EOF
*/